diff --git a/TODO b/TODO
index 1e8ab5d9..1986cf4f 100644
--- a/TODO
+++ b/TODO
@@ -249,6 +249,10 @@ directory or that are otherwise not publicly accessible. This includes
 things sent to me by email that are specifically not public. Even so,
 I find it useful to make reference to them in this list.
 
+ * Consider updating the fuzzer with code that exercises
+   copyAnnotations, file attachments, and name and number trees. Check
+   fuzzer coverage.
+
  * Add code for creation of a file attachment annotation. It should
    also be possible to create a widget annotation and a form field.
    Update the pdf-attach-file.cc example with new APIs when ready.